Method and device for replacing equipment on the seabed

Details Method and device for replacing equipment on the seabed Method and device for replacing equipment on the seabed

2005-08-09

2005-08-09

Safavi, Michael (Department: 3673)

Hydraulic and earth engineering

Diving

Remote control

C166S339000, C166S352000

Reexamination Certificate

active

06926467

ABSTRACT:
A device (20) for replacing equipment, i.e. modules on an installation (10) on the seabed. The device comprises a box-shaped buoyancy element which has storage spaces (25) for equipment together with winch devices (22) assigned to each storage space. During use the device is lowered from a vessel (1) to the seabed by a crane (3), but is stopped a distance from the installation, whereupon the locally provided winches (22) are used to pull up and position the equipment.

REFERENCES:
patent: 3638722 (1972-02-01), Talley, Jr.
patent: 4167215 (1979-09-01), Thorne
patent: 4630542 (1986-12-01), Peyre et al.
patent: 4768984 (1988-09-01), de Oliveira et al.
patent: 4784525 (1988-11-01), Francois
patent: 166890 (1991-09-01), None

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